/Engine/Source/Editor/MeshPaint/Public/MeshPaintHelpers.h
Sets all vertex colors for a specific LOD level in the SkeletalMesh to FillColor
static void SetColorDataForLOD ( [USkeletalMesh](API\Runtime\Engine\Engine\USkeletalMesh) * SkeletalMesh, int32 LODIndex, const [FColor](API\Runtime\Core\Math\FColor) FillColor, const [FColor](API\Runtime\Core\Math\FColor) MaskColor )